Classifications

• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F1/00—Treatment of water, waste water, or sewage
  • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/86—Mixtures of anionic, cationic, and non-ionic compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/88—Ampholytes; Electroneutral compounds
  • C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/08—Silicates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/39—Organic or inorganic per-compounds

Definitions

• the present invention relates to a cleaning agent for a drainage device capable of suppressing adhesion of dirt or oil due to moisture remaining on the inner surface of a drainage device such as a drain trap for household use or a drainage pipe.
• Drain traps and drain pipes for domestic sinks are mainly made of synthetic resins such as polypropylene (PP) and vinyl chloride resin (PVC). These synthetic resins have water repellency, so the inner surface of the pipes is clean. If there is, no moisture remains in the vertical part or the inclined part. However, during use, a microbial biofilm is formed on the inner surface of the tube, and when it begins to grow, the water repellency of the synthetic resin is lost and water tends to remain on the inner surface of the tube. Increase. In kitchen sinks, oil is emulsified with a surfactant or the like and floats in water and is discharged in a mixed state, so if there is no remaining water, oil dirt is inevitably hard to remain . Therefore, when the stain on the inner surface of the tube increases, it is necessary to wash the tube with a detergent composition.
• PP polypropylene
• PVC vinyl chloride resin
• a hair cleaning composition is disclosed in Patent Document 1.
• This detergent composition comprises (A) at least one surfactant selected from an anionic surfactant, a nonionic surfactant and an amphoteric surfactant, and (B) a cationic polymer.
• a detergent composition a composition in which a composition containing an anionic surfactant and an amphoteric surfactant is blended with a cationic polymer is disclosed. And about this detergent composition, the foaming amount, the feeling with respect to hair, and the combability after drying are evaluated.
• the cleaning composition of the conventional configuration described in Patent Document 1 enhances the foaming power by combining a plurality of surfactants in an appropriate blending amount, and imparts a suitable slip to the hair during washing. After the rinsing, a good feeling can be imparted to the hair.
• this detergent composition is directly applied to the cleaning of a drainage pipe made of synthetic resin, the formation of a biofilm due to microorganisms on the inner surface of the drainage pipe cannot be suppressed, and the water repellency of the synthetic resin is exhibited. It becomes difficult to do. For this reason, there is a problem that a water film is formed on the inner surface of the drain pipe, moisture easily remains, and generation and adhesion of dirt increase at an accelerated rate.
• the present invention has been made in view of such problems existing in the prior art, and has as its object to suppress the residual water or oil on the inner surface of the drainage device and to suppress the generation and adhesion of dirt. It is an object of the present invention to provide a cleaning agent for a drainage device which can be used.
• the cleaning agent for a drainage device of the present invention is a cleaning agent for a drainage device used for cleaning the inner surface of a drainage device made of synthetic resin, and includes an alkali silicate, an alkali percarbonate and a hydroxide.
• the cleaning base containing alkali contains at least three kinds of surfactants selected from nonionic surfactants, anionic surfactants, cationic surfactants and amphoteric surfactants.
• the cleaning base includes an alkali silicate and an alkali percarbonate having a cleaning action, and also includes a plurality of surfactants having hydrophilicity that is compatible with water and lipophilicity that is compatible with oil components. The cleaning effect is exhibited by the combination of the components, and the inner surface of the drainage device is cleaned.
• the formation of a biofilm by microorganisms on the inner surface of the drainage device can be suppressed, and the water repellency of the inner surface of the drainage device can be maintained.
• the formation of a water film particularly on the inner surface of the drainage device is suppressed, and the generation and adhesion of dirt can be reduced as much as possible by suppressing the remaining of water. Further, the generation and adhesion of dirt can be reduced as much as possible by suppressing the remaining oil.
• ADVANTAGE OF THE INVENTION According to the cleaning agent for drainage apparatuses of this invention, there exists an effect that moisture or oil can be suppressed from remaining on the inner surface of the drainage apparatus, and generation and adhesion of dirt can be suppressed.
• the cleaning agent for the drainage device in the present embodiment is a cleaning agent used for cleaning the inner surface (the inner surface of the pipe) of the drainage device made of synthetic resin.
• the drainage device is composed of a drain trap for home sinks, drainage pipes, connecting pipes thereof and the like.
• Specific examples of the material constituting the drainage device include, for example, polyolefins such as polypropylene (PP) and polyethylene (PE), chlorinated synthetic resins such as polyvinyl chloride resin (PVC) and polyvinylidene chloride, and polyacrylic acid resins.
• synthetic resins such as acrylic resins such as polymethacrylic resin and polymethyl methacrylate resin (PMMA).
• One kind of synthetic resin may be used alone, or two or more kinds of synthetic resins may be used in appropriate combination.
• the cleaning agent for a drainage device is selected from a nonionic surfactant, an anionic surfactant, a cationic surfactant and an amphoteric surfactant in a cleaning base containing alkali silicate, alkali percarbonate and alkali hydroxide. It comprises at least three kinds of surfactants. That is, in the cleaning agent for the drainage device, three types of surfactants or four types of surfactants are contained in addition to the cleaning base.
• the cleaning base has a function of cleaning the inside of the drainage device and exhibiting water repellency of a synthetic resin constituting the drainage device.
• the alkali silicate constituting the cleaning base include, for example, sodium orthosilicate, sodium metasilicate and the like.
• Sodium orthosilicate is a crystal of a mixture of silicic acid (SiO 2 ) and sodium oxide (Na 2 O) (2SiO 2 ⁇ Na 2 O)
• sodium metasilicate is a crystal of a mixture of silicic acid and sodium oxide (SiO 2 ⁇ Na 2 O). 2 O ⁇ XH is a 2 O).
• One kind of alkali silicate may be used alone, or two or more kinds of alkali silicates may be appropriately used in combination.
• alkali percarbonate for example, sodium percarbonate or the like is used.
• This sodium percarbonate is a mixture of sodium carbonate (Na 2 CO 3 ) and hydrogen peroxide (H 2 O 2 ) and has an oxidizing property.
• One kind of alkali percarbonate may be used alone, or two or more kinds of alkali percarbonates may be appropriately selected and used.
• Specific examples of the alkali hydroxide include, for example, sodium hydroxide (NaOH) and potassium hydroxide (KOH).
• NaOH sodium hydroxide
• KOH potassium hydroxide
• One kind of alkali percarbonate may be used alone, or two or more kinds of alkali percarbonates may be used in appropriate combination.
• the cleaning base may contain components such as a chelating agent and an alkali percarbonate decomposing agent.
• a chelating agent include ethylenediaminetetraacetic acid (EDTA), a disodium salt, a tetrasodium salt, and a hydrate of the sodium salt thereof.
• EDTA ethylenediaminetetraacetic acid
• this chelating agent hydroxylamine triacetic acid, gluconic acid or a salt thereof may be used.
• One chelating agent may be used alone, or two or more chelating agents may be used in appropriate combination.
• the mixing ratio of each component constituting the cleaning base is as follows: alkali silicate as a main component is 24 to 80% by mass, alkali percarbonate is 5 to 70% by mass, and alkali hydroxide is 5 to 15% by mass. preferable.
• the surfactant has both hydrophilicity and lipophilicity, exhibits a function of purifying water and oil on the inner surface of the drainage device, and has a bacteriostatic property to suppress the generation and growth of microorganisms.
• the nonionic surfactant constituting the surfactant are not particularly limited, and include, for example, polyoxyalkylene alkyl ether, polyoxyethylene alkyl ether, polyoxyalkylene lauryl ether, polyoxyethylene fatty acid ester and the like. .
• the anionic surfactant include, but are not particularly limited to, sulfate salts, carboxylate salts, and sulfonate salts.
• Specific examples of the sulfate ester salt include, for example, sodium polyoxyethylene alkyl ether sulfate and alkyl sulfate ester.
• Specific examples of the carboxylate include, for example, an alkyl ether carboxylate and an aliphatic monocarboxylate.
• Specific examples of the sulfonate include, for example, an alkylbenzene sulfonate.
• Specific examples of the cationic surfactant are not particularly limited, and either a quaternary ammonium salt or an amine salt can be used.
• Specific examples of the quaternary ammonium salt include, for example, benzalkonium chloride and dialkyldimethylammonium
• specific examples of the amine salt include, for example, monoalkylamine, dialkylamine and the like.
• amphoteric surfactant are not particularly limited, and any of an amine oxide surfactant, carboxybetaine, glycine and the like can be used.
• Specific examples of the amine oxide surfactant include, for example, alkyldimethylamine oxide, which is an alkylamine oxide
• specific examples of carboxybetaine include, for example, fatty acid amidopropyl betaine, coconut oil fatty acid amidopropyl betaine, and the like.
• Specific examples of glycine include, for example, alkyldimethylaminoethyl glycine.
• cationic surfactants and amphoteric surfactants among the surfactants have particularly high bacteriostatic (antibacterial) properties, it is desirable to mix at least one of these surfactants with a detergent for drainage devices.
• a quaternary ammonium salt is preferable, and as the amphoteric surfactant, an alkylamine oxide or carboxybetaine is preferable.
• Each of the above surfactants is used by appropriately selecting one or more components. By using two or more of the components of each surfactant in combination, the function of each surfactant can be improved.
• the content of the surfactant in the drainage cleaner is preferably 0.3 to 2.0% by mass, more preferably 0.3 to 1.5% by mass.
• the content of the surfactant is 0.3% by mass or more, the bacteriostatic property of the surfactant is sufficiently exhibited, whereby the amount of adhesion of water or oil to the inner surface of the drainage device is further reduced.
• the content of the surfactant is 2.0% by mass or less, as the content increases, the amount of water or oil adhering to the inner surface of the drainage device is reduced, and after the cleaning with the cleaning agent, Bubble runs out when washing with water.
• the content of the cleaning base in the cleaning agent for drainage devices is preferably 30% by mass or more, and more preferably 95 to 99% by mass.
• the content of the cleaning base is 30% by mass or more, the cleaning effect of the cleaning base is further improved.
• the surfactant preferably contains at least one of a cationic surfactant and an amphoteric surfactant in an amount of 0.1 to 0.6% by mass. Since cationic surfactants and amphoteric surfactants have high bacteriostatic properties, they can inhibit the formation and growth of biofilms by microorganisms on the inner surface of the drainage device and maintain the water repellency of the synthetic resin that constitutes the drainage device. it can. When the content is 0.1% by mass or more, the bacteriostatic property of the cationic surfactant or the amphoteric surfactant is sufficiently exhibited, so that the water repellency on the inner surface of the drainage device is further improved. On the other hand, when the content of at least one of the cationic surfactant and the amphoteric surfactant is 0.6% by mass or less, the water repellency on the inner surface of the drainage device increases as the content increases.
• the content of at least one of the cationic surfactant and the amphoteric surfactant in the surfactant is preferably from 40 to 80% by mass. As described above, by setting the content of the cationic surfactant and the amphoteric surfactant to a high concentration, the bacteriostatic activity based on the cationic surfactant and the amphoteric surfactant can be expressed at a high level. .
• the cleaning agent for a drainage device of the present embodiment can be used as it is for cleaning the inner surface of the drainage device, but it is preferable to dilute the cleaning agent for a drainage device with a predetermined amount of water. In this case, it is preferable to dilute with water so that the concentration of the cleaning agent for the drainage device becomes 10 to 50% by mass.
• the cleaning agent for a drainage device when cleaning the inner surface of a household drainage device by using the cleaning agent for drainage device of the present embodiment, the cleaning agent for drainage device is diluted with water to a predetermined concentration, and the diluted liquid is washed in the drainage device.
• the cleaning agent for the drainage device includes a cleaning base and at least three types of surfactants having different ionic properties, that is, a nonionic surfactant, an anionic surfactant, a cationic surfactant, and an amphoteric surfactant. And at least three surfactants selected from agents.
• the cleaning base contains alkali silicate, alkali percarbonate and alkali hydroxide.
• the cleaning base constituting the cleaning agent for the drainage device includes alkaline alkali silicate and alkali percarbonate having a cleaning action, and a plurality of bases having hydrophilicity that is compatible with water and lipophilicity that is compatible with oil. Since these surfactants are contained, an effective cleaning action is exhibited by the combination of these components, and the inner surface of the drainage device is cleaned.
• the formation of a biofilm by microorganisms on the inner surface of the drainage device can be suppressed, and the water repellency of the inner surface of the drainage device can be maintained for a long period of time.
• the formation of a water film on the inner surface of the drainage device is suppressed, and the generation and adhesion of dirt can be reduced as much as possible by suppressing the remaining of water. Further, the generation and adhesion of dirt can be reduced as much as possible by suppressing the remaining oil.
• the cleaning agent for a drainage device of the present embodiment includes a nonionic surfactant, an anionic surfactant, a cationic surfactant, and an amphoteric cleaning agent containing an alkali silicate, an alkali percarbonate, and an alkali hydroxide. It comprises at least three kinds of surfactants selected from surfactants.
• the cleaning effect of the cleaning base and the hydrophilicity and lipophilicity of a plurality of surfactants are combined to exhibit an effective cleaning effect, and the inner surface of the drainage device is cleaned.
• the plurality of surfactants are immediately attached to and retained on the cleaned surface.
• at least three kinds of surfactants including the cationic surfactant and the amphoteric surfactant exhibit a bacteriostatic action, and the generation and growth of microorganisms on the inner surface of the drainage device can be suppressed.
• the cleaning base and the surfactant act synergistically to suppress the formation of a biofilm due to microorganisms on the inner surface of the drainage device, to maintain the water repellency of the inner surface of the drainage device, and to maintain the water repellency on the inner surface of the drainage device.
• the generation and adhesion of dirt can be continuously reduced. Further, the generation and adhesion of dirt can be reduced as much as possible by suppressing the remaining oil.
• the cleaning agent for a drainage device of the present embodiment the generation and adhesion of dirt can be suppressed for a long period of time by suppressing the remaining of water on the inner surface of the drainage device or the oil. . For this reason, the frequency of cleaning the drainage device can be significantly reduced.
• the content of the surfactant in the cleaning agent for a drainage device is 0.3 to 2.0% by mass. Therefore, the detergent and the bacteriostatic property of the surfactant can be sufficiently exhibited, and generation and adhesion of dirt can be effectively suppressed.
• the content of at least one of the cationic surfactant and the amphoteric surfactant in the surfactant is 40 to 80% by mass. As described above, by setting the content of the cationic surfactant and the amphoteric surfactant to a high concentration, it is possible to exhibit a high level of bacteriostatic properties based on the cationic surfactant and the amphoteric surfactant. .
• the cationic surfactant is a quaternary ammonium salt, and the amphoteric surfactant is an alkylamine oxide or carboxybetaine. For this reason, the washing
• the cleaning base further contains a chelating agent.
• the cleaning agent for the drainage device can exhibit a chelating action, and can chelate and capture metal ions on the inner surface of the drainage device.
• the synthetic resin forming the inner surface of the drainage device includes at least one selected from polyolefin, chlorine-based synthetic resin, and acrylic resin.
• the generation and adhesion of dirt can be suppressed for a long period of time by suppressing the residual water or the residual oil on the inner surface of the drainage device made of such a synthetic resin.
• Examples 1 to 5 show examples in which three types of surfactants are used in combination as a cleaning agent for a drainage device. That is, a cleaning test was performed on the test pieces shown below using a cleaning agent for a drainage device.
• Clean plate materials made of polypropylene (PP), acrylic resin (cast acrylic sheet, manufactured by Kanase Co., Ltd.) and polyvinyl chloride resin (PVC) each having a length of 25 mm, a width of 50 mm and a thickness of 1 mm or less.
• PP polypropylene
• acrylic resin cast acrylic sheet, manufactured by Kanase Co., Ltd.
• PVC polyvinyl chloride resin
• (Drainer cleaning agent) Detergent 77.0% by mass of sodium orthosilicate, 10.0% by mass of sodium percarbonate, 5.0% by mass of sodium hydroxide, 5.0% by mass of potassium hydroxide, and 1.0% by mass of tetrasodium tetrahydrate EDTA . It was prepared so that the cleaning base was 98.0% by mass and the surfactant was 2.0% by mass in the cleaning agent for drainage devices.
• Nonionic surfactant 200 polyoxyalkylene alkyl ether [Sedran FF200 manufactured by Sanyo Chemical Industries, Ltd., effective concentration of surfactant is 100% by mass] (in the following table, it is indicated as "FF200”).
• Nonionic surfactant 400 polyoxyethylene alkyl ether [manufactured by Kitahiro Chemical Co., Ltd., score roll 400, effective concentration of surfactant is 30% by mass] (shown as "400" in the table below).
• Anionic surfactant EN sodium polyoxyethylene alkyl ether sulfate [manufactured by Sanyo Chemical Industry Co., Ltd., Sandet EN, effective concentration of surfactant is 25% by mass] (in the following table, this is indicated as “EN").
• Anionic surfactant END sodium polyoxyethylene alkyl ether sulfate [manufactured by Sanyo Kasei Kogyo Co., Ltd., Sandet END, effective concentration of surfactant is 25% by mass] (shown as “END” in the table below)
• Cationic surfactant G50 benzalkonium chloride 50% by mass aqueous solution [manufactured by Sanyo Chemical Industries, Ltd., effective concentration of cation G50, surfactant is 50% by mass] (in the following table, this is indicated as "G50".
• Amphoteric surfactant ALM C 12 -C 18 alkyldimethylamine oxide [manufactured by NOF CORPORATION, Nissan Unisafe ALM, effective concentration of surfactant is 35% by mass] (in the following table, “ALM” refers to Shown.)
• Amphoteric surfactant 2000 coconut oil fatty acid amidopropyl betaine [manufactured by Sanyo Kasei Kogyo Co., Ltd., Levon 2000, effective concentration of surfactant is 30% by mass] (shown as "2000" in the following table) (Washing test) After measuring the mass of the PP test piece to the unit of 10 mg, it is fixed with a pinch cock.
• test pieces 1 to 4 made of PP 150 g was put into a 1-L beaker, four test pieces were put in the beaker, and a pinch cock was set so that each test piece did not fall. These test pieces are respectively referred to as test pieces 1 to 4 made of PP. Subsequently, 500 mL of pure water at room temperature was poured into a beaker, and kept for 2 hours, followed by washing with running groundwater.
• Specimen 1 and Specimen 2 were used to evaluate this effect in the following water film formation test, and Specimen 3 was used in the following oil film formation test to determine the presence or absence of adverse effects such as increased adhesion of oils and fats. used.
• Specimen 4 was used in a vegetable oil adhesion test and a running water washing test after such vegetable oil adhesion.
• test pieces 1 and 2 made of acrylic resin Two test pieces made of acrylic resin (hereinafter referred to as test pieces 1 and 2 made of acrylic resin) and two test pieces made of PVC (hereinafter referred to as test pieces 1 and 2 made of PVC) are the same as above. It was put into a cleaning agent for a drainage device by a method, and then washed with water. The test pieces 1 and 2 made of acrylic resin and the test pieces 1 and 2 made of PVC were used to evaluate the present effect in the following water film formation test.
• the total moisture content (mg / 100 cm 2 ) of the acrylic resin test pieces 1 and 2 and the PVC test pieces 1 and 2 was determined by a water film formation test in the same manner as the PP test pieces 1 and 2 .
• the results are shown in Table 1 in the column “Total moisture adhesion (made of acrylic resin)" and in the column “Total moisture adhesion (made of PVC)”.
• the obtained difference adhesion amount was evaluated according to the following criteria, and the results are shown in the “Evaluation” column of Table 1.
• a resin container (width ⁇ depth ⁇ length: 150 mm ⁇ 150 mm ⁇ 300 mm) was filled with water, and about 5 L / min of water was poured from one end of the container and allowed to flow naturally from the opposite end.
• the test piece 4 for which the measurement of the amount of the soybean oil deposited was completed was placed in water in the resin container and washed with running water for 1 hour. After a lapse of a predetermined time, the test piece 4 was taken out and air-dried for 1 hour or more. After confirming that no water droplets remained on the test piece 4, the mass was measured.
• the mass of the soybean oil remaining on the test piece 4 was determined from the mass of the test piece 4 before the soybean oil was attached, and the amount of soybean oil attached per unit area (mg / 100 cm 2 ) was determined. The results are shown in Table 1 in the "Remaining amount of vegetable oil" column.
• the column “Effective concentration of surfactant” in Table 1 shows the concentration (% by mass) of each surfactant contained in the cleaning agent of the drainage device as a product of Examples 1 to 5.
• Example 1 As shown in Table 1, with respect to the cleaning agents for drainage devices of Examples 2 to 5, extremely excellent results were obtained with respect to the cleaning effect on Test piece 1 and Test piece 2. Further, in Example 1, since the total content of the cationic surfactant and the amphoteric surfactant was small, the cleaning effect was slightly reduced as compared with Examples 2 to 5, but a sufficiently good cleaning effect was obtained. The amount of oil adhered did not increase as compared with Comparative Example 1, and no adverse effect such as an increase in stain adhesion occurred. Also, with respect to the cleaning agents for drainage devices of Examples 1 to 5, very excellent results were obtained with respect to the cleaning effect even with synthetic resins other than those made of PP. In addition, it was confirmed that the amount of vegetable oil and the amount of residual oil were also smaller than those in Comparative Example 1.
• Example 6 to 9 In Examples 6 to 9, four types of surfactants are used in combination as a cleaning agent for a drainage device. That is, the compositions of the cleaning agents for drainage devices of Examples 6 to 9 are shown in Table 2 in the column of “cleaning base”, the column of “nonionic surfactant”, the column of “anionic surfactant”, and the column of “cationic surfactant”. "Column and” amphoteric surfactant "column.
• the method for cleaning the test piece with the cleaning agent for a drainage device was the same as in Examples 1 to 5.
• the water film formation test and the oil film formation test were performed on the PP test piece in the same manner as in Examples 1 to 5.
• Example 10 to 15 In Examples 10 to 15, four types of surfactants are used in combination as a cleaning agent for a drainage device, and the content of the cleaning base is reduced. That is, the compositions of the cleaning agents for drainage devices in Examples 10 to 15 are shown in Table 3 in the column of “cleaning base”, the column of “nonionic surfactant”, the column of “anionic surfactant”, and the column of “cationic surfactant”. "Column and” amphoteric surfactant "column.
• the method for cleaning the test piece with the cleaning agent for a drainage device was the same as in Examples 1 to 5.
• the water film formation test and the oil film formation test were performed on the PP test piece in the same manner as in Examples 1 to 5.
• Comparative Examples 1 to 6 show examples in which a surfactant was not used as a cleaning agent for a drainage device and only a cleaning base was used. Further, Comparative Examples 2 to 6 show examples in which one type of surfactant was added to a cleaning base as a cleaning agent for a drainage device. That is, the compositions of the cleaning agents for drainage devices of Comparative Examples 1 to 6 are shown in Table 4, in the column of “cleaning base”, in the column of “nonionic surfactant”, in the column of “anionic surfactant”, and in the column of “cationic surfactant”. "Column and” amphoteric surfactant "column.
• the method for cleaning the test piece with the cleaning agent for a drainage device was the same as in Examples 1 to 5.
• the water film formation test and the oil film formation test were performed on the PP test piece in the same manner as in Examples 1 to 5.
• the results are shown in Table 4 in the "moisture adhesion amount” column, "oil content adhesion amount” column, “total moisture adhesion amount” column, “differential adhesion amount” column, and "evaluation” column.
• Comparative Examples 7 to 13 show examples in which two types of surfactants were added to a cleaning base as a cleaning agent for a drainage device.
• the compositions of the cleaning agents for drainage devices of Comparative Examples 7 to 13 are shown in Table 5 in the columns of “cleaning base”, “nonionic surfactant”, “anionic surfactant”, and “cationic surfactant”.
• “Column and” amphoteric surfactant "column.
• the method for cleaning the test piece with the cleaning agent for a drainage device was the same as in Examples 1 to 5.
• the water film formation test and the oil film formation test were performed on the PP test piece in the same manner as in Examples 1 to 5.
• Comparative Examples 14 to 17 show examples in which only three types of surfactants (without a cleaning base) were blended as cleaning agents for drainage devices. That is, the compositions of the cleaning agents for drainage devices of Comparative Examples 14 to 17 are shown in Table 6 in the columns of “cleaning base”, “nonionic surfactant”, “anionic surfactant”, and “cationic surfactant”. "Column and” amphoteric surfactant "column.
• the method for cleaning the test piece with the cleaning agent for a drainage device was the same as in Examples 1 to 5.
• the water film formation test and the oil film formation test were performed on the PP test piece in the same manner as in Examples 1 to 5.
• the cleaning agent for drainage devices may contain three or more types of nonionic surfactants, or may contain three or more types of anionic surfactants, Alternatively, it may contain three or more cationic surfactants, or may contain three or more amphoteric surfactants.
• Components such as a viscosity modifier, a bactericide, a preservative, a wetting agent, and a pH buffer may be blended with the cleaning agent for a drainage device.
• the drainage device may be a toilet drainage device, a toilet drainage device, or the like.

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